const fs = require('fs');
const path = require('path');
let fullPath = path.join(__dirname, 'czbk');
fs.exists(fullPath,(b)=>{
    if(b){
        console.log('目录存在');
    }else{
        fs.mkdir(fullPath,(r)=>{
            if(r){
                console.log('目录创建失败');
            }else {
                console.log('目录创建成功');
            }
        })
    }
})

